igf 1 des or lr3 IGF-1 LR3, DES(1-3) IGF-1, and PEG-MGF: IGF-1 Analogue Cluster igf-1 des vs igf-1 lr3
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doi:10.1128/aac.00017-15 29

Then, the synthetic parameters of pFeSAN were optimized to reach the highest activity

Blasco H, Garcon G, Patin F et al (2017) Panel of oxidative stress and inflammatory biomarkers in ALS: a pilot study
It won't be instant, but over 3-6 months, you may see the laxity improve
